CVE-2022-31025 (GCVE-0-2022-31025)
Vulnerability from cvelistv5 – Published: 2022-06-03 14:35 – Updated: 2025-04-23 18:19
VLAI
EPSS
VEX
Title
Invite bypasses user approval in Discourse
Summary
Discourse is an open source platform for community discussion. Prior to version 2.8.4 on the `stable` branch and 2.9.0beta5 on the `beta` and `tests-passed` branches, inviting users on sites that use single sign-on could bypass the `must_approve_users` check and invites by staff are always approved automatically. The issue is patched in Discourse version 2.8.4 on the `stable` branch and version `2.9.0.beta5` on the `beta` and `tests-passed` branches. As a workaround, disable invites or increase `min_trust_level_to_allow_invite` to reduce the attack surface to more trusted users.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 14:06 UTC
CWE
- CWE-285 - Improper Authorization
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/discourse/discourse/security/a… | x_refsource_CONFIRM |
| https://github.com/discourse/discourse/pull/16974 | x_refsource_MISC |
| https://github.com/discourse/discourse/pull/16984 | x_refsource_MISC |
| https://github.com/discourse/discourse/commit/0fa… | x_refsource_MISC |
| https://github.com/discourse/discourse/commit/7c4… | x_refsource_MISC |
Impacted products
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"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-285",
"description": "CWE-285: Improper Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-06-03T14:35:12.000Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/discourse/discourse/security/advisories/GHSA-x7jh-mx5q-6f9q"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/discourse/discourse/pull/16974"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/discourse/discourse/pull/16984"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/discourse/discourse/commit/0fa0094531efc82d9371f90a02aa804b176d59cf"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/discourse/discourse/commit/7c4e2d33fa4b922354c177ffc880a2f2701a91f9"
}
],
"source": {
"advisory": "GHSA-x7jh-mx5q-6f9q",
"discovery": "UNKNOWN"
},
"title": "Invite bypasses user approval in Discourse",
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "security-advisories@github.com",
"ID": "CVE-2022-31025",
"STATE": "PUBLIC",
"TITLE": "Invite bypasses user approval in Discourse"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "discourse",
"version": {
"version_data": [
{
"version_value": "\u003c 2.8.4"
},
{
"version_value": "\u003e= 2.9.0.beta1, \u003c= 2.9.0.beta4"
}
]
}
}
]
},
"vendor_name": "discourse"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Discourse is an open source platform for community discussion. Prior to version 2.8.4 on the `stable` branch and 2.9.0beta5 on the `beta` and `tests-passed` branches, inviting users on sites that use single sign-on could bypass the `must_approve_users` check and invites by staff are always approved automatically. The issue is patched in Discourse version 2.8.4 on the `stable` branch and version `2.9.0.beta5` on the `beta` and `tests-passed` branches. As a workaround, disable invites or increase `min_trust_level_to_allow_invite` to reduce the attack surface to more trusted users."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 2.6,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-285: Improper Authorization"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/discourse/discourse/security/advisories/GHSA-x7jh-mx5q-6f9q",
"refsource": "CONFIRM",
"url": "https://github.com/discourse/discourse/security/advisories/GHSA-x7jh-mx5q-6f9q"
},
{
"name": "https://github.com/discourse/discourse/pull/16974",
"refsource": "MISC",
"url": "https://github.com/discourse/discourse/pull/16974"
},
{
"name": "https://github.com/discourse/discourse/pull/16984",
"refsource": "MISC",
"url": "https://github.com/discourse/discourse/pull/16984"
},
{
"name": "https://github.com/discourse/discourse/commit/0fa0094531efc82d9371f90a02aa804b176d59cf",
"refsource": "MISC",
"url": "https://github.com/discourse/discourse/commit/0fa0094531efc82d9371f90a02aa804b176d59cf"
},
{
"name": "https://github.com/discourse/discourse/commit/7c4e2d33fa4b922354c177ffc880a2f2701a91f9",
"refsource": "MISC",
"url": "https://github.com/discourse/discourse/commit/7c4e2d33fa4b922354c177ffc880a2f2701a91f9"
}
]
},
"source": {
"advisory": "GHSA-x7jh-mx5q-6f9q",
"discovery": "UNKNOWN"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2022-31025",
"datePublished": "2022-06-03T14:35:12.000Z",
"dateReserved": "2022-05-18T00:00:00.000Z",
"dateUpdated": "2025-04-23T18:19:28.063Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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